/* join.css - レスポンシブ対応版 */

/* ========================================
   ページ内ナビゲーション のレスポンシブ対応
   ======================================== */

.page-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: white;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.page-nav-container {
  display: flex;
  overflow-x: auto;
  padding: 1rem 0;
  gap: 0.75rem;
}

.nav-btn {
  white-space: nowrap;
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

/* スクロールバーを非表示 */
.scrollbar-hide::-webkit-scrollbar {
  display: none;
}

.scrollbar-hide {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

@media (max-width: 768px) {
  .page-nav-container {
    gap: 0.5rem;
    padding: 0.75rem 0;
  }

  .nav-btn {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
  }

  .nav-btn i {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .nav-btn {
    padding: 0.35rem 0.875rem;
    font-size: 0.75rem;
  }
}

/* ========================================
   入会案内セクション のレスポンシブ対応
   ======================================== */

.membership-section {
  padding: 4rem 0;
}

.membership-title {
  font-size: 1.875rem;
  margin-bottom: 1rem;
}

.membership-description {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 0.5rem;
}

.membership-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4rem;
  align-items: start;
  margin-top: 3rem;
}

.membership-image {
  width: 90%;
}

.membership-image img {
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  width: 100%;
  height: auto;
}



.merit-item {
  display: flex;
  align-items: start;
  gap: 1rem;
}

.merit-icon {
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(30, 64, 175, 0.1);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.merit-title {
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.5rem;
}

.merit-description {
  color: #4b5563;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 3xl: 小型ノートPC (1024px) */
@media (max-width: 1024px) {
  .membership-grid {
    gap: 2.5rem;
  }

  .membership-title {
    font-size: 1.75rem;
  }

  .membership-description {
    font-size: 1rem;
  }
}

/* x-large: 一般的タブレット (768px) */
@media (max-width: 768px) {
  .membership-section {
    padding: 3rem 0;
  }

  .membership-title {
    font-size: 1.5rem;
  }

  .membership-description {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .membership-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .membership-image {
    width: 100%;
    order: -1; /* 画像を上に */
  }

  .merit-item {
    gap: 0.75rem;
  }

  .merit-icon {
    width: 2rem;
    height: 2rem;
  }

  .merit-title {
    font-size: 0.95rem;
  }

  .merit-description {
    font-size: 0.875rem;
  }
}

/* medium: スマホ横・大型スマホ (480px) */
@media (max-width: 480px) {
  .membership-section {
    padding: 2rem 0;
  }

  .membership-title {
    font-size: 1.375rem;
  }

  .membership-description {
    font-size: 0.875rem;
  }

  .merit-item {
    gap: 0.5rem;
  }

  .merit-icon {
    width: 1.75rem;
    height: 1.75rem;
  }

  .merit-icon i {
    font-size: 0.875rem;
  }

  .merit-title {
    font-size: 0.9rem;
  }

  .merit-description {
    font-size: 0.8rem;
  }
}

/* ========================================
   入会条件・ダウンロード のレスポンシブ対応
   ======================================== */

.conditions-box {
  background-color: #f9fafb;
  border-radius: 0.75rem;
  padding: 2rem;
  margin-top: 4rem;
}

.conditions-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1.5rem;
}

.conditions-list {
  list-style: none;
  padding: 0;
}

.conditions-list li {
  display: flex;
  align-items: start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: #374151;
}

.download-button {
  display: inline-block;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .conditions-box {
    padding: 1.5rem;
    margin-top: 3rem;
  }

  .conditions-title {
    font-size: 1.125rem;
  }

  .conditions-list li {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .conditions-box {
    padding: 1.25rem;
    margin-top: 2rem;
  }

  .conditions-title {
    font-size: 1rem;
  }

  .conditions-list li {
    font-size: 0.85rem;
    gap: 0.5rem;
  }

  .download-button a {
    width: 100%;
    text-align: center;
    font-size: 0.875rem;
    padding: 0.75rem 1rem !important;
  }
}

/* ========================================
   事業内容セクション のレスポンシブ対応
   ======================================== */

.business-section {
  padding: 5rem 0;
}

.business-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.business-description {
  font-size: 1.25rem;
  color: #4b5563;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.business-card {
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  transition: all 0.3s;
}

.business-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.business-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.business-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1rem;
}

.business-card-text {
  color: #4b5563;
  line-height: 1.75;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.business-card-list {
  list-style: none;
  padding: 0;
}

.business-card-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #4b5563;
  margin-bottom: 0.5rem;
}

/* 3xl: 小型ノートPC (1024px) */
@media (max-width: 1024px) {
  .business-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .business-title {
    font-size: 2rem;
  }

  .business-description {
    font-size: 1.125rem;
  }
}

/* x-large: 一般的タブレット (768px) */
@media (max-width: 768px) {
  .business-section {
    padding: 3rem 0;
  }

  .business-title {
    font-size: 1.75rem;
  }

  .business-description {
    font-size: 1rem;
  }

  .business-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 3rem;
  }

  .business-card {
    padding: 1.5rem;
  }

  .business-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: 1rem;
  }

  .business-card-title {
    font-size: 1.125rem;
  }

  .business-card-text {
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
  }
}

/* medium: スマホ横・大型スマホ (480px) */
@media (max-width: 480px) {
  .business-section {
    padding: 2rem 0;
  }

  .business-title {
    font-size: 1.5rem;
  }

  .business-description {
    font-size: 0.9rem;
  }

  .business-grid {
    gap: 1rem;
    margin-top: 2rem;
  }

  .business-card {
    padding: 1.25rem;
  }

  .business-icon {
    width: 3rem;
    height: 3rem;
  }

  .business-icon i {
    font-size: 1.25rem;
  }

  .business-card-title {
    font-size: 1rem;
    margin-bottom: 0.75rem;
  }

  .business-card-text {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1rem;
  }

  .business-card-list li {
    font-size: 0.8rem;
  }
}

/* ========================================
   CTAセクション のレスポンシブ対応
   ======================================== */

.cta-section {
  padding: 4rem 0;
  background-color: #1e40af;
}

.cta-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.25rem;
  color: #dbeafe;
  margin-bottom: 2rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  justify-content: center;
}

@media (max-width: 768px) {
  .cta-section {
    padding: 3rem 0;
  }

  .cta-title {
    font-size: 1.5rem;
  }

  .cta-description {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons a {
    width: 100%;
    max-width: 20rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .cta-section {
    padding: 2rem 0;
  }

  .cta-title {
    font-size: 1.25rem;
  }

  .cta-description {
    font-size: 0.9rem;
    line-height: 1.6;
  }

  .cta-buttons a {
    font-size: 0.875rem;
    padding: 0.75rem 1.5rem !important;
  }
}

/* ========================================
   共通の調整
   ======================================== */

.section-spacing {
  padding: 4rem 0;
}

@media (max-width: 768px) {
  .section-spacing {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .section-spacing {
    padding: 2rem 0;
  }
}